Yijia Zhao
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Tao’s Analysis I, Chapter 4: Integers and rationals
Real Analysis
Mathematics
Reading Notes
I want to strike a better balance with this blog going forward — not just a raw log of my own reading reflections, but also weaving in summary overviews or proofs that I…
May 14, 2026
Yijia Zhao
Tao’s Analysis I, Chapter 3: Set Theory
Real Analysis
Mathematics
Reading Notes
Just like with the previous chapter, I came into this with almost zero background in set theory. I spent 1,100 minutes over four days getting through this chapter and made a…
May 9, 2026
Yijia Zhao
Tao’s Analysis I, Chapter 2: Natural Numbers
Real Analysis
Mathematics
Reading Notes
I began with the Chinese version (my native language), but I wasted time because of a translation error in Chapter 2. I was afraid there would be more mistakes in the other…
May 2, 2026
Yijia Zhao
Building process of this blog
Casual
This blog is built by Quarto, which is a powerful open-source scientific and technical publishing system built on Pandoc (written by AI in vscode).
Feb 16, 2026
Yijia Zhao
Test post: Euler-Lagrange’s equation in simple pendulum
Classic Mechanics
Physics
Here is the
Euler-Lagrange’s equation
:
Feb 7, 2026
Yijia Zhao
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